Sofa-bed



FIG. 1 is a perspective view of a sofa-bed, in a sofa mode, showing our new design;

FIG. 2 is a front elevational view in thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective view of the sofa-bed in a bed mode;

FIG. 9 is a front elevational view in thereof;

FIG. 10 is a rear elevational view thereof;

FIG. 11 is a right side elevational view thereof;

FIG. 12 is a left side elevational view thereof;

FIG. 13 is a top plan view thereof;

FIG. 14 is a bottom plan view thereof;

FIG. 15 is a front perspective view of the sofa-bed at an initial stage in conversion from the sofa mode to the bed mode;

FIG. 16 is a rear perspective view thereof;

FIG. 17 is a front perspective view of the sofa-bed at a first intermediate stage in conversion from the sofa mode to the bed mode;

FIG. 18 is a rear perspective view thereof;

FIG. 19 is a front perspective view of the sofa-bed at a second intermediate stage in conversion from the sofa mode to the bed mode;

FIG. 20 is a rear perspective view thereof;

FIG. 21 is a front perspective view of the sofa-bed turning over one of backrests at an intermediate stage in conversion from the sofa mode to the bed mode; and,

FIG. 21 is a rear perspective view thereof. 

The ornamental design for a sofa-bed, as shown and described. 